iis7 How to change the php version: 1. Download PHP Manager for IIS and install it; 2. Find the path to the file php-cgi.exe; 3. Click "change PHP version" to switch the version.
#The operating environment of this article: Windows 7 system, php version 5.3, Dell G3 computer.
How to change the php version in iis7?
IIS7 and IIS7.5 support multiple versions of php:
I have been playing around with IIS7 and php recently, and I want to share some stuff,
First, let’s introduce PHP Manager for IIS’s support for multiple versions of PHP for IIS7 and 7 or above.
Another day I will introduce the support of URLRewrite 2.0 provided by Microsoft for IIS7 and how to extend URLRewrite.
The first step is of course installation, download PHP Manager for IIS and install it. Download address http://phpmanager.codeplex.com/releases
After the installation is completed, the php manager icon will appear in the IIS manager. As shown below:
#After double-clicking, the specific configuration management of php will appear.
Register the php version you want to run, find the path of the file php-cgi.exe and it will be ok.
After registration, the corresponding configuration will be automatically checked. If some configurations are not consistent with the recommended configuration, the corresponding error message will be displayed. As follows:
#Click "View Recommendations" to see the specific error information.
If you have registered multiple php versions, you can easily switch versions:
Check phpinfo()" next to the cut version is also something we like. It is very convenient to check the specific configuration information:
PHP Video Tutorial"
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实现方法:1、使用“sleep(延迟秒数)”语句,可延迟执行函数若干秒;2、使用“time_nanosleep(延迟秒数,延迟纳秒数)”语句,可延迟执行函数若干秒和纳秒;3、使用“time_sleep_until(time()+7)”语句。

php除以100保留两位小数的方法:1、利用“/”运算符进行除法运算,语法“数值 / 100”;2、使用“number_format(除法结果, 2)”或“sprintf("%.2f",除法结果)”语句进行四舍五入的处理值,并保留两位小数。

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php判断有没有小数点的方法:1、使用“strpos(数字字符串,'.')”语法,如果返回小数点在字符串中第一次出现的位置,则有小数点;2、使用“strrpos(数字字符串,'.')”语句,如果返回小数点在字符串中最后一次出现的位置,则有。

php字符串有下标。在PHP中,下标不仅可以应用于数组和对象,还可应用于字符串,利用字符串的下标和中括号“[]”可以访问指定索引位置的字符,并对该字符进行读写,语法“字符串名[下标值]”;字符串的下标值(索引值)只能是整数类型,起始值为0。

方法:1、用“str_replace(" ","其他字符",$str)”语句,可将nbsp符替换为其他字符;2、用“preg_replace("/(\s|\ \;||\xc2\xa0)/","其他字符",$str)”语句。

在php中,可以使用substr()函数来读取字符串后几个字符,只需要将该函数的第二个参数设置为负值,第三个参数省略即可;语法为“substr(字符串,-n)”,表示读取从字符串结尾处向前数第n个字符开始,直到字符串结尾的全部字符。


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